Benzopyran compounds and one kind of preparation and application

The present invention discloses compounds and methods of pyran and Application of a benzo. The benzopyran compounds having different levels of oxidative stress injury, can effectively reduce the membrane potential induced by H2O2 in human umbilical vein endothelial cell injury induced decrease width, it is a protective group of potential cardiovascular drugs. While the invention has reasonable design, easy to operate, provides a new active ingredient is a cardiovascular disorder drug.